.container{
    width: 1200px;
    margin:0px auto;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.f6{
    color: #ff6600;
}
.fc0{
    color: #c0c0c0;
}
.fy{
    color: #f4b212;
}
.f3{
    color: #333;
}
.bf{
    color: #bfbfbf;
}
.cf::after{
    content: '';
    display: block;
    clear: both;
}
.f8{
    color: #f80e0e;
}
a:hover{
    text-decoration: none;
}

/* 所有分节头 */
.book{
    margin-top: 42px;;
}
.book-nav{
    border-bottom: #ff6600 solid 6px;
}
.book-nav h2{
   color: #333;
   font-size: 28px; 
}

.book-nav span {
    font-size: 18px;
    color: #333;
    display: inline-block;
    text-align: center;
    line-height: 43px;
    width: 98px;
    height: 43px;
    cursor: pointer;
}
.book-active span.on{
    background-color: #f60;
    color: #fff;
}






/* 购物车+我的订单 */
.search-box a{
    display: inline-block;
    width: 100px;
    height: 36px;
    line-height: 36px;
    text-align: center;
}
/* 购物车 */
.search-box>a:nth-child(2){
    background: url('../images/bgicon.png') #ff6600;
    background-position: 0 -42px;
    text-indent: 20px;
    border-radius: 5px;
    color: #fff;
}
/* 我的订单 */
.search-box>a:first-child{
    background-color: #ebebeb;
    border-radius: 5px;
    color: #808080;
}
/* 搜索框 */
.search-bnt{
    width: 440px;
    height: 36px;
    position: relative;
    margin-right: 40px;
}
.search-box input{
    width: 440px;
    height: 36px;
    box-sizing: border-box;
    border: #ff6600 solid 2px;
}
.search-box button{
    height: 34px;
    width: 50px;
    text-indent: -999999px;
    position: absolute;
    top: 0;
    right: 0;
    background: url('../images/bgicon.png') #ff6600;
}
/* 导航栏+logo */
.nav-logo{
    position: relative;
    margin-top: 28px;
}
/* 导航栏 */
.nav-logo ul{
    width: 855px;
    float: right;
}
.nav-logo li{
    float: right;
    margin:0 20px;
}
.nav-logo a{
    color: #323232;
    font-weight: bold;
}
/* logo */
.nav-logo img{
    position: absolute;
    bottom: 0px;
    left: 0;
}

/* 顶部导航 */
.top-backimg{
    background-color: #101010;
    height: 28px;
    margin-bottom: 5px;
}
.top-main{
    height: 28px;
    line-height: 28px;
}
.top-main>span:first-child{
    color: #e6e6e6;
    position: relative;
    left: 200px;
}

/* 页脚 */

footer .top{
    height: 100px;
    background-color: #f2f2f2;
    text-align: center;
    display: flex;
    justify-content: center;
    line-height: 100px;
}
footer .top img{
    margin:0px 50px;
}
footer .bot{
    width: 790px;
    height: 130px;
    margin:50px auto;
    display: flex;
    justify-content: space-between;
}
footer .bot div{
    width: 25%;
    height: 100%;
    text-align: center;
}
footer .bot div p{
    font-size: 16px;
    color: #666;
}
footer .bot div span{
    font-size: 18px;
}
footer p{
    text-align: center;
}
footer p a{
    margin:15px;
}
footer .last{
    margin:10px auto 100px auto;
    width: 300px;
}
footer .logo{
    width: 162px;
    height: 82px;
}


.line{
    background-color: #f60;
    height: 6px;
    margin-top: 60px;
}









/* 乐购·图书折扣区 */
.top-nav{
    height: 47px;
    border-bottom: solid 6px #f60;
    font-size: 24px;
}
.top-nav span{

    color: #fff;
    line-height: 47px;
    display: inline-block;
    background-color: #f60;
    text-align: center;
}




/* 新书畅销榜 */
.book-side{
    width: 284px;
    height: 406px;
    border: 1px solid #ccc;
    position: relative;
    top: -6px;
}
.book-side h4{
    font-size: 24px;
    color: #808080;
    text-align: center;
    line-height: 60px;
}
.book-side li{
    font-size: 16px;
    color: #808080;
}

.book-side p {
    display: none;
}
.book-side div{
    display: none;
}
.book-side div span{
    font-size: 14px;
    width: 160px;
}
.book-side .active{
    display: block;
}
.book-side .noactive{
    display: none;
}